Booms on Gehl models RS10-55 and RS12-42 telescopic handlers feature a welded box-section design. The RS10-55 has a rated lift capacity of 10,000 pounds and a maximum lift height of 55 feet; RS12-42 has a rated lift capacity of 12,000 pounds and a maximum lift height of 42 feet. Maximum operating capacity is achieved with standard outriggers on the RS10-55, and without the use of outriggers on the RS12-42.